Last year, SPACs accounted for nearly a quarter of all IPOs in the U.S., according to Dealogic, and the Amex was the go-to listing location for nearly all of them; 50 SPACs raised a combined $10 billion there.

While the card does expire in five years - an expiry date is required for many kinds of credit card purchases - you can have your balance moved onto a new card at no cost by calling Amex's customer service department.